Renamed "node" to "vertex" in the code.

All 569u tests pass.
Renamed "node" to "vertex" in filenames.
Updated projects to support new filenames.

All 569u tests pass.
Renamed "node" to "vertex" directories.

All 569u tests pass.
Renamed "rel" to "edge" in code.
Renamed "rel" to "edge" in filenames.
Updated projects to support new filenames.

All 569u tests pass.
Updated all templates and resources.

All 569u, 267/330i tests pass.